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Finding the Fourth Proportional to 702,382.66, 969,183.79 and 426,597

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Solution

The fourth proportional to 702,382.66, 969,183.79 and 426,597 is: 588,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,382.66 : 969,183.79 = 426,597 : x
  2. Step 2: Convert to fraction form
    702,382.66/969,183.79 = 426,597/x
  3. Step 3: Cross multiply
    702,382.66x = 969,183.79 × 426,597
  4. Step 4: Simplify right side
    702,382.66x = 413,450,897,795.88
  5. Step 5: Solve for x
    x = 413,450,897,795.88/702,382.66
  6. Step 6: Final answer
    x = 588,640.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.